Data on film ratings were collected and saved as films.csv (https://raw.githubusercontent.com/sigmasigmaiota/films/master/films.csv), then stored in a SQL database. The data were then loaded into an R dataframe via RMySQL, DBI and tibble.
Table was composed using kableExtra.

library(RMySQL)
library(DBI)
library(tibble)

films.data=dbConnect(MySQL(),
  user='root',
  password=password_1,
  dbname='films',
  host='localhost')
knitr::opts_chunk$set(connection = "films.data")
ratings <- as_tibble(DBI::dbReadTable(films.data,"ratings"))

ratings.mean<-as.data.frame(sapply(ratings[2:7],mean))
colnames(ratings.mean)[1]<-"MeanScore"

library(kableExtra)
kable(ratings.mean,"html")%>%
  kable_styling("striped",full_width = F)
MeanScore
Incredibles2 3.103448
BlackPanther 3.275862
GetOut 2.862069
LadyBird 2.275862
Moonlight 2.896552
CallMebyYourName 2.896552

In this sample, Black Panther was rated the highest.